/*
 * Copyright 2014 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.netflix.ribbon.hystrix;

import java.util.Map;

import com.netflix.hystrix.HystrixInvokableInfo;

import rx.Observable;

/**
 * 
 * @author awang
 *
 * @param <T> Output entity type
 */
public interface FallbackHandler<T> {
    public Observable<T> getFallback(HystrixInvokableInfo<?> hystrixInfo, Map<String, Object> requestProperties);
}
